As of this writing (2025), the Third Edition (published 2017) is still the current standard. However, industry leaders are already discussing a Fourth Edition. Why? Because automation has seen paradigm shifts since 2017:
Implement secure OT architectures
Digital versions allow for easy bookmarking and integration into personal study systems. As of this writing (2025), the Third Edition
In modern plants, safety is integrated, not added on. The AutoBOK details: As of this writing (2025)
PLC hardware, DCS, SCADA, and Safety Instrumented Systems (SIS). safety is integrated
The guide is organized into sections that cover the full lifecycle and scope of industrial automation: Control Basics & Field Devices
: Useful for IT professionals needing to understand plant floor control and for students or educators developing curriculum. Key Topics and Structural Layout